______ time goes on,people ______ better housing and jobs.
| A．When;want | B．While;need | C．As;demand | D．Since;ask |
As time _______, you’ll learn more.
| A．goes by | B．goes away | C．goes about | D．goes off |
We should do what we can to save those_________ species, for example, the tiger, an animal which was considered_______ to humans.
| A．dangerous; endangered | B．dangerous; in danger |
| C．endangered; in danger | D．endangered; dangerous |
It is high time for us to take measures to protect these old traditions and customs before they_________.
| A．die out | B．die away | C．die off | D．die down |
The woman said her lost handbag_______ more than 2,000 dollars, which turned out to be a lie later.
| A．included | B．contained | C．kept | D．owned |
I think she would__________ it if we could all help out a bit more.
| A．thank | B．appreciate | C．employ | D．use |